diff --git a/test/intl402/DisplayNames/prototype/of/type-currency-invalid.js b/test/intl402/DisplayNames/prototype/of/type-currency-invalid.js
index 8c367aa8802..cf98c85d3d3 100644
--- a/test/intl402/DisplayNames/prototype/of/type-currency-invalid.js
+++ b/test/intl402/DisplayNames/prototype/of/type-currency-invalid.js
@@ -4,14 +4,14 @@
 esid: sec-Intl.DisplayNames.prototype.of
 description: Throws a RangeError for invalid `currency` codes
 info: |
-  12.3.3 Intl.DisplayNames.prototype.of ( code )
+  12.5.1 CanonicalCodeForDisplayNames ( type, code )
 
   ...
   6. Assert: type is "currency".
   7. If ! IsWellFormedCurrencyCode(code) is false, throw a RangeError exception.
   8. Return the ASCII-uppercase of code.
 
-  6.3.1 IsWellFormedCurrencyCode ( code )
+  IsWellFormedCurrencyCode ( code )
     1. If the length of currency is not 3, return false.
     2. Let normalized be the ASCII-uppercase of currency.
     3. If normalized contains any code unit outside of 0x0041 through 0x005A (corresponding to Unicode characters LATIN CAPITAL LETTER A through LATIN CAPITAL LETTER Z), return false.
@@ -53,10 +53,6 @@ assert.throws(RangeError, function() {
   displayNames.of('_aaa');
 }, 'leading separator (underscore)');
 
-assert.throws(RangeError, function() {
-  displayNames.of('aaa-');
-}, 'trailing separator (dash)');
-
 assert.throws(RangeError, function() {
   displayNames.of('aaa_');
 }, 'trailing separator (underscore)');
diff --git a/test/intl402/DisplayNames/prototype/of/type-currency-valid.js b/test/intl402/DisplayNames/prototype/of/type-currency-valid.js
index 5e6fa84c077..d1be63038b3 100644
--- a/test/intl402/DisplayNames/prototype/of/type-currency-valid.js
+++ b/test/intl402/DisplayNames/prototype/of/type-currency-valid.js
@@ -4,14 +4,14 @@
 esid: sec-Intl.DisplayNames.prototype.of
 description: Returns string value for valid `currency` codes
 info: |
-  12.3.3 Intl.DisplayNames.prototype.of ( code )
+  12.5.1 CanonicalCodeForDisplayNames ( type, code )
 
   ...
   6. Assert: type is "currency".
   7. If ! IsWellFormedCurrencyCode(code) is false, throw a RangeError exception.
   8. Return the ASCII-uppercase of code.
 
-  6.3.1 IsWellFormedCurrencyCode ( code )
+  IsWellFormedCurrencyCode ( code )
 
     1. If the length of currency is not 3, return false.
     2. Let normalized be the ASCII-uppercase of currency.
diff --git a/test/intl402/DisplayNames/prototype/of/type-region-invalid.js b/test/intl402/DisplayNames/prototype/of/type-region-invalid.js
index aba3335d3e5..ac0f0be654c 100644
--- a/test/intl402/DisplayNames/prototype/of/type-region-invalid.js
+++ b/test/intl402/DisplayNames/prototype/of/type-region-invalid.js
@@ -4,7 +4,7 @@
 esid: sec-Intl.DisplayNames.prototype.of
 description: Throws a RangeError for invalid `region` codes
 info: |
-  12.3.3 Intl.DisplayNames.prototype.of ( code )
+  12.5.1 CanonicalCodeForDisplayNames ( type, code )
 
   ...
   2. If type is "region", then
@@ -64,7 +64,7 @@ assert.throws(RangeError, function() {
 }, 'trailing separator (dash)');
 
 assert.throws(RangeError, function() {
-  displayNames.of('111-');
+  displayNames.of('111_');
 }, 'trailing separator (underscore)');
 
 assert.throws(RangeError, function() {
diff --git a/test/intl402/DisplayNames/prototype/of/type-region-valid.js b/test/intl402/DisplayNames/prototype/of/type-region-valid.js
index 528335ec420..7065098ee58 100644
--- a/test/intl402/DisplayNames/prototype/of/type-region-valid.js
+++ b/test/intl402/DisplayNames/prototype/of/type-region-valid.js
@@ -4,7 +4,7 @@
 esid: sec-Intl.DisplayNames.prototype.of
 description: Returns string value for valid `region` codes
 info: |
-  12.3.3 Intl.DisplayNames.prototype.of ( code )
+  12.5.1 CanonicalCodeForDisplayNames ( type, code )
 
   ...
   2. If type is "region", then
diff --git a/test/intl402/DisplayNames/prototype/of/type-script-invalid.js b/test/intl402/DisplayNames/prototype/of/type-script-invalid.js
index 427129c06b9..635838db986 100644
--- a/test/intl402/DisplayNames/prototype/of/type-script-invalid.js
+++ b/test/intl402/DisplayNames/prototype/of/type-script-invalid.js
@@ -4,7 +4,7 @@
 esid: sec-Intl.DisplayNames.prototype.of
 description: Throws a RangeError for invalid `script` codes
 info: |
-  12.3.3 Intl.DisplayNames.prototype.of ( code )
+  12.5.1 CanonicalCodeForDisplayNames ( type, code )
   ...
   3. If type is "script", then
     a. If code cannot be matched by the unicode_script_subtag Unicode locale nonterminal, throw a RangeError exception.
@@ -22,7 +22,6 @@ assert.throws(RangeError, function() {
   displayNames.of('aaa');
 }, 'insufficient length');
 
-
 assert.throws(RangeError, function() {
   displayNames.of('aaaaa');
 }, 'excessive length');
@@ -41,15 +40,15 @@ assert.throws(RangeError, function() {
 
 assert.throws(RangeError, function() {
   displayNames.of('aaaa-');
-}, 'trailing separator, -');
+}, 'trailing separator (dash)');
 
 assert.throws(RangeError, function() {
   displayNames.of('_aaaa');
-}, 'leading separator, _');
+}, 'leading separator (underscore)');
 
 assert.throws(RangeError, function() {
   displayNames.of('aaaa_');
-}, 'trailing separator, _');
+}, 'trailing separator (underscore)');
 
 assert.throws(RangeError, function() {
   displayNames.of('aa a');
diff --git a/test/intl402/DisplayNames/prototype/of/type-script-valid.js b/test/intl402/DisplayNames/prototype/of/type-script-valid.js
index d69f4d1ba38..8de6f0ac7ee 100644
--- a/test/intl402/DisplayNames/prototype/of/type-script-valid.js
+++ b/test/intl402/DisplayNames/prototype/of/type-script-valid.js
@@ -4,7 +4,8 @@
 esid: sec-Intl.DisplayNames.prototype.of
 description: Returns string value for valid `script` codes
 info: |
-  12.3.3 Intl.DisplayNames.prototype.of ( code )
+  12.5.1 CanonicalCodeForDisplayNames ( type, code )
+
   ...
   3. If type is "script", then
     a. If code cannot be matched by the unicode_script_subtag Unicode locale nonterminal, throw a RangeError exception.